9725648 has 20 divisors (see below), whose sum is σ = 18921408. Its totient is φ = 4842720.

The previous prime is 9725647. The next prime is 9725671. The reversal of 9725648 is 8465279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215 + ... + 5457.

Almost surely, 2^9725648 is an apocalyptic number.

It is an amenable number.

9725648 is a deficient number, since it is larger than the sum of its proper divisors (9195760).

9725648 is a wasteful number, since it uses less digits than its factorization.

9725648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522 (or 2516 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 9725648 is about 3118.5971205015. The cubic root of 9725648 is about 213.4549263425.

The spelling of 9725648 in words is "nine million, seven hundred twenty-five thousand, six hundred forty-eight".